Nasal cannula



1. Nasal cannula

Figure 1.1 is a perspective view of a nasal cannula;

Figure 1.2 is a front view thereof;

Figure 1.3 is a back view thereof;

Figure 1.4 is a side view thereof;

Figure 1.5 is another side view thereof;

Figure 1.6 is a top view thereof; and

Figure 1.7 is a bottom view thereof.

The broken lines in the figures show portions of the nasal cannula thatform no part of the claimed design.

CLAIM The ornamental design for a nasal cannula, as shown and described.